KARTE Edler, Wilhelm Author: Edler, Wilhelm Recipient: Haeckel, Ernst Corporation: Landwirtschaftliches Institut der Universität Dating: 15.07.1908
KARTE Linck, Gottlob Eduard Author: Linck, Gottlob Eduard Recipient: Haeckel, Ernst Dating: 16.02.1914
KARTE Burkhardt, Marie, geb. Geuther Author: Burkhardt, Marie, geb. Geuther Recipient: Haeckel, Ernst Dating: 16.02.1909
KARTE Haan, Margarethe; Haan, Conrad Emil Author: Haan, Margarethe; Haan, Conrad Emil Recipient: Haeckel, Ernst Dating: 15.02.1909